Unity Bookmarks Lens displays your bookmarks in Dash so you can easily search all your bookmarks with a click.

The new bookmarks lens only supports Firefox for now (both regular bookmarks and live bookmarks).

You can get the code for both Unity Bookmarks Lens and the packaging via Launchpad. To make it easier to install, I've uploaded it to the main WebUpd8 PPA (both the lens and the packaging have been created by Ted Gould, I've only uploaded it to the PPA) so you can install it in Ubuntu 11.10 using the following commands: